The next card has an webR code chunk that allows you to freely exercise constraints on the data being visualized on the other pages. You can see the pre-processed df being created on the left, and can browse it through the Data tab. These won’t react to your changes.
There are some comments in the code detailing what lines do. After you make adjustments to the chunk, run it, then run the other code chunks to reflect your changes.
Percentage of people who answered “a lot” or “some” to the question: How much do you, personally, know about science? Do you know a lot, some, not much, or nothing at all?
Percentage of people who agreed with the statement: Vaccines are safe.